Gapan weather in December

In December, Gapan sees average daytime highs of 30°C and overnight lows near 22°C, with 100 mm of rain across 9 wet days and about 11.1 hours of daylight. It is the 11th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 32% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 12 min at the start of December to 11 h 06 min by month's end. Set against the rest of the year, December is Gapan's 5th-clearest and 2nd-windiest month. For the whole year in context, see Gapan's year-round climate.

Daytime high
30°
11th warmest
Overnight low
22°
3rd coldest
Rainfall
100 mm
9 wet days
Daylight
11 h 06 min
6:19 AM – 5:25 PM
Cloud cover
60%
5th clearest
Wind
10 km/h
2nd windiest
Solar energy
4.06 kWh/m²
Travel score
5.4
out of 10

Gapan is city of the Philippines in the province of Nueva Ecija.

Density
1,098/km²
people per km²
Founded
1732

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Gapan reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
272922
282922
292922
302922
312922

How December really feels in Gapan

Once humidity and wind are folded in, December averages 23 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
23
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Gapan weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°364.511.26.0
Feb30° / 21°323.811.55.8
Mar32° / 22°395.111.94.9
Apr33° / 24°468.312.33.5
May34° / 25°1972112.72.4
Jun32° / 24°26926.212.92.3
Jul31° / 24°41129.512.82.4
Aug31° / 24°36829.312.52.5
Sep31° / 24°34928.212.12.5
Oct31° / 23°23919.911.73.4
Nov30° / 23°11211.811.34.6
Dec30° / 22°100911.15.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45347
55347
65347
75347
85446
95446
105446
115446
125347
135347
145347
155248
165248
175248
185248
195149
205149
215050
225050
235149
245149
255149
265248
275248
285446
295545
305644
315743

Chance of precipitation in December

Any precipitation

Gapan gets around 100 mm of rain over 9 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 28% and peaks near 31% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
130
230
330
430
531
631
731
830
930
1030
1130
1230
1330
1430
1529
1629
1729
1828
1928
2028
2127
2227
2327
2427
2526
2625
2724
2823
2922
3021
3120

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the oppressive band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1016777
2017767
3018766
4018766
5019756
6019756
7020746
8020746
9020755
10021745
11021745
12022735
13022735
14123724
15124714
16124714
17125704
18126694
19227683
20228673
21329653
22330643
23331633
24432622
25434602
26435592
27536572
28537562
29538552
30539542
31539542

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 12 min at the start of December to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:11 AM to 6:26 AM, and sunset from 5:21 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:115:21
211.26:125:21
311.16:125:21
411.16:135:21
511.16:145:22
611.16:145:22
711.16:155:22
811.16:155:22
911.16:165:23
1011.16:165:23
1111.16:175:23
1211.16:175:24
1311.16:185:24
1411.16:185:24
1511.16:195:25
1611.16:195:25
1711.16:205:26
1811.16:205:26
1911.16:215:27
2011.16:215:27
2111.16:225:27
2211.16:225:28
2311.16:235:28
2411.16:235:29
2511.16:245:29
2611.16:245:30
2711.16:255:30
2811.16:255:31
2911.16:255:31
3011.16:265:32
3111.16:265:32

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.06 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.06 kWh/m² to a high of 6.29 kWh/m² in April across the year — December's 4.06 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in December

Hazard calendar for Gapan

In seasonPeak

In December, Gapan sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Gapan sits in the Pacific typhoon belt; the season peaks July–October.

Gapan's monsoon runs May–October, when most of the year's rain falls.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Gapan?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.4
Sightseeing
3rd-best month of the year
7.2
Beach & pool
4th-best month of the year

December is a reasonable time to visit Gapan for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Gapan in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Gapan sees daytime highs around 30°C and nights near 22°C. Pack light clothes. Worth having: rain gear. About 9 days see rain.

light clothesrain gear

UV index in Gapan in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gapan peaks around March 24 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 24UV 13Nov 21UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Gapan in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Gapan is worst in October — around 49 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateOct 1049 µg/m³Feb 1132 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb32Moderate
Mar36Poor
Apr39Poor
May42Poor
Jun46Poor
Jul42Poor
Aug41Poor
Sep49Poor
Oct49Poor
Nov39Poor
Dec33Moderate
Location & terrain

Where is Gapan?

Gapan sits at 15.3°N, 120.9°E, 24 m above sea level, in Philippines. The nearest listed city is Jaen, 4.0 km away.

Topography around Gapan

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Gapan.

Within 3 km, the terrain around Gapan has only modest variations in elevation — a maximum elevation change of 19 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 123 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,922 m.

The land around Gapan is covered by cropland (62%) within 3 km, cropland (70%) within 16 km, and trees (46%) and cropland (29%) within 80 km.

3 km
19 m
16 km
123 m
80 km
1,922 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Jaen 4.0 km · San Leonardo 6.0 km · Peñaranda 8.0 km · Cabiao 12 km · General Tinio 12 km · Papaya 12 km · San Francisco 13 km · San Miguel 19 km

Philippines travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
230 V · 60 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$4,171
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
48%
of population, 2024
Homicide rate
4.3
per 100k, 2023
Road deaths
12
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 569
Religion
Roman Catholic 79%other 8%Muslim 6%other Christian 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Gapan (15.3072°, 120.9464°, elevation 24 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).